#include <stdio.h>
#include <string.h>
#include <unistd.h>


int main()
{

  // C接口
  printf("hello printf\n");
  fprintf(stdout,"hello fprintf\n");
  const char *fputsSting = "hello fputs\n";
  fputs(fputsSting,stdout);


  // 系统接口
  const char *wstring = "hello write\n";
  write(1,wstring,strlen(wstring));
  
  fork();

  return 0;
}






